Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC C0035, C0040 | Wheel Speed Circuit Malfunction |
| DTC C0055 | Rear Wheel Speed Circuit Malfunction |
| DTC C0110 | Pump Motor Circuit Malfunction |
| DTC C0161 | ABS/TCS Brake Switch Circuit Malfunction |
| DTC C0201 | ABS Enable Relay Contact Circuit |
| DTC C0221, C0222, C0223, C0225, C0226, C0227 | Wheel Speed Sensor Fault |
| DTC C0228 | Left Rear ABS Channel in Release Too Long |
| DTC C0229 | Drop Out of Front Wheel Speed Signals |
| DTC C0235, C0236, C0237, P0609 | Rear Wheel Speed Signal Fault & Control Module VSS Output "B" Malfunction |
| DTC C0238 | Wheel Speed Mismatch |
| DTC C0241, C0242, C0243, C0244, C0245, C0246, C0247, C0248, C0251, C0252, C0253, C0254 (8600 GVW Or Under) | EBCM Control Valve Circuit Fault |
| DTC C0241, C0242, C0243, C0244, C0245, C0246, C0247, C0248, C0251, C0252, C0253, C0254 (Over 8600 GVW) | EBCM Control Valve Circuit Fault |
| DTC C0265, C0266 | EBCM Relay Circuit |
| DTC C0267, C0268 | Pump Motor Circuit Open/Shorted |
| DTC C0269, C0274 | Excessive Dump/Isolation Time |
| DTC C0271, C0272, C0273, C0284 | EBCM Malfunction |
| DTC C0279 | Powertrain Configuration Not Valid |
| DTC C0281 | Brake Switch Circuit |
| DTC C0283 | Traction Switch Shorted to Ground |
| DTC C0287, P1644, P1689 | Delivered Torque Circuit & Control Delivered Torque Output Circuit |
| DTC C0290, C0292 | Lost Communications With PCM |
| DTC C0291 | Lost Communications With BCM |
| DTC C0297 | Powertrain Configuration Data Not Received |
| DTC C0298, P1571 | Powertrain Indicated Traction Control Malfunction & Traction Control Torque Request Circuit |
| DTC C0550 | ECU Malfunction - Internal Write/Checksum Malfunction |